package com.itheima.xiushifu;

public class Fu {

    private void sing(){
        System.out.println("父类的sing");
    }

    public void useSing(){
        sing();
        dance();
        rap();
    }

    void dance(){
        System.out.println("父类的dance");
    }

    protected  void rap(){
        System.out.println("父类的rap");
    }
}
